Autonomous System

AS31012 A1 Hrvatska d.o.o.

ISPActiveCroatiaRIPE

AS31012 (DCM-AS) is an ISP network operated by A1 Hrvatska d.o.o. in Croatia, registered with RIPE. It has 7 IPv4 prefixes with 163,840 addresses and 3 IPv6 prefixes, which makes it the 1,507th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses163,840in 7 prefixes
IPv6 prefixes3≈ 4.0 × 10²⁹ addresses
Size rank#1,507of 82,200 active ASNs
Abuser scoreLow0.08% of its addresses flagged · method

Details

OrganizationA1 Hrvatska d.o.o.
AS nameDCM-AS
Websitea1.hr
Country Croatia (HR)
Network typeISP
RegistryRIPE
Abuse contactabuse@A1net.hr
Registered2004-02-04
Last updated2025-05-15

IPv4 prefixes

7 prefixes · 163,840 addresses
NetworkAddressesFirst – last address
88.207.0.0/1732,76888.207.0.0 – 88.207.127.255
94.253.128.0/1732,76894.253.128.0 – 94.253.255.255
109.60.0.0/1732,768109.60.0.0 – 109.60.127.255
188.252.128.0/1732,768188.252.128.0 – 188.252.255.255
83.139.64.0/1816,38483.139.64.0 – 83.139.127.255
46.234.64.0/198,19246.234.64.0 – 46.234.95.255
213.149.32.0/198,192213.149.32.0 – 213.149.63.255

IPv6 prefixes

3 prefixes
  • 2a05:4f44::/31
  • 2a05:4f46::/31
  • 2a00:dd8::/32

Query AS31012 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS31012&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS31012, with or without a key:

curl "https://api.ipapi.is/?q=88.207.0.1"

Other networks of A1 Hrvatska d.o.o.

AS12810 A1 Hrvatska d.o.o.132,864 IPv4 addressesAS35549 A1 Hrvatska d.o.o.54,784 IPv4 addressesAS29485 A1 Hrvatska d.o.o.36,864 IPv4 addressesAS25528 A1 Hrvatska d.o.o.12,288 IPv4 addresses

Largest networks in Croatia

AS5391 Hrvatski Telekom d.d.1,312,256 IPv4 addressesAS13046 Hrvatski Telekom d.d.325,120 IPv4 addressesAS2108 Croatian Academic and Research Network230,144 IPv4 addressesAS205714 Telemach Hrvatska d.o.o.154,112 IPv4 addressesAS12810 A1 Hrvatska d.o.o.132,864 IPv4 addressesAS34594 Telemach Hrvatska d.o.o.124,928 IPv4 addresses